Practice Example 8.5: Four-Line to Two-Line Priority Encoder - 8.2.2 | 8. Multiplexers and Demultiplexers - Part B | Digital Electronics - Vol 1
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an encoder?

πŸ’‘ Hint: Think about how we simplify the input information.

Question 2

Easy

Define a truth table.

πŸ’‘ Hint: Consider why we explore every possible case in a logic circuit.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does a priority encoder do?

  • Outputs all high inputs
  • Outputs the highest priority active input
  • Ignores all active inputs

πŸ’‘ Hint: Consider what happens when all inputs are activated.

Question 2

True or False: A priority encoder can output multiple active inputs.

  • True
  • False

πŸ’‘ Hint: Think about how priority is assigned.

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Challenge Problems

Push your limits with challenges.

Question 1

Design a circuit for a four-line to two-line priority encoder using logic gates. Include a truth table and derive its Boolean expressions.

πŸ’‘ Hint: Refer back to our discussions about how inputs influence outputs and how those can be represented.

Question 2

In a scenario where D0 and D1 are both '1' and D3 is also '1', which output will the encoder prioritize and what will the output values be?

πŸ’‘ Hint: Remember to check which D has the highest numerical priority.

Challenge and get performance evaluation